#5C399D
Closest named color: Rebecca Purple (#663399). oklch(44.1% 0.155 295.4), rgb(92, 57, 157).
Aa
White text reads best on this color (8.30:1).
About this color
#5C399D is a dark, vivid purple. In OKLCH its lightness is 44%, its chroma 0.155 and its hue 295°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rebecca Purple (#663399), ΔE 0.022 away. White text reads best on it, at 8.30:1.
| Hue family | Purples |
| Lightness | dark (44%) |
| Chroma | vivid (0.155) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 2.52:1 |
| White text | 8.30:1 |
Values
| HEX | #5C399D |
| RGB | rgb(92, 57, 157) |
| HSL | hsl(261, 47%, 42%) |
| OKLCH | oklch(44.1% 0.155 295.4) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #5C399D | 8.30:1 | AAA | Lc -92.9 | Preferred for body text |
| Black text on #5C399D | 2.52:1 | Fails | Lc 15.8 | Dividers and decoration only |
| #5C399D text on white | 8.30:1 | AAA | Lc 88.2 | Fine for body text |
| #5C399D text on black | 2.52:1 | Fails | Lc -13.9 | Not readable |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 800.
-
Step 50
50
#F6F4FD
oklch(97.1% 0.012 296.4)
-
Step 100
100
#EBE7FA
oklch(93.7% 0.026 295.5)
-
Step 200
200
#DBD3F8
oklch(88.5% 0.051 295.2)
-
Step 300
300
#C5B5F5
oklch(80.9% 0.091 295.8)
-
Step 400
400
#A88CF0
oklch(70.6% 0.145 295.3)
-
Step 500
500
#956CEB
oklch(63.2% 0.184 295.5)
-
Step 600
600
#804FD9
oklch(55.5% 0.201 295.4)
-
Step 700
700
#6D3FBD
oklch(49.2% 0.187 295.4)
-
Step 800
800 (this color)
#5C399D
oklch(44.1% 0.155 295.4)
-
Step 900
900
#482F79
oklch(37.6% 0.121 295.6)
-
Step 950
950
#2A1D47
oklch(27.1% 0.076 295.1)
#5C399D with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #004FA0 | 0.103 |
| Deuteranopia (no green cones) | #004D9B | 0.103 |
| Tritanopia (no blue cones) | #4B5065 | 0.123 |
| Achromatopsia (no color) | #4E4E4E | 0.156 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5C399D
#5C399D
oklch(44.1% 0.155 295.4)
- #515900
#515900
oklch(44.2% 0.101 115.6)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #5C399D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rebecca Purple #663399 ΔE 0.022
- Blueberry #464196 ΔE 0.042
- Dark Slate Blue #483D8B ΔE 0.046
- Blue With A Hint Of Purple #533CC6 ΔE 0.068
- Bluey Purple #6241C7 ΔE 0.070
- Chrysanthemum #560BAD ΔE 0.071
- Twilight #4E518B ΔE 0.072
- Blurple #5539CC ΔE 0.077
Use #5C399D in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.